U.S. patent number D511,319 [Application Number D/217,666] was granted by the patent office on 2005-11-08 for vehicle trailer hitch illuminated step. Invention is credited to Calvin Wang.
United States Patent | D511,319 |
Wang | November 8, 2005 |
Inventors: | Wang; Calvin (City of Industry, CA) |
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Appl. No.: | D/217,666 |
Filed: | November 22, 2004 |
Current U.S. Class: | D12/203; D12/162 |
Current International Class: | 1216 |
Field of Search: | ;D12/162,400,203,85 ;D20/10,42 ;D26/28,31,34,36 ;180/190,193,182-185 ;182/90-92 ;238/14 ;428/81-82 ;D25/62,69 ;280/153.5,169,163,506-507,847-848,164.1-164.2,500,414.1-414.3 ;362/459-460,484-487,495-499,505-506,269,275,427-428,418-419 ;138/89-89.4 ;224/524,522,527,521 |
6173979 | January 2001 | Bernard |
D444754 | July 2001 | Storer |
D463345 | September 2002 | Cipolla |
D464919 | October 2002 | Pichan |
6491315 | December 2002 | Hagen et al. |
D489297 | May 2004 | Pichan |
D491509 | June 2004 | Bundy |
6769704 | August 2004 | Cipolla |
D495646 | September 2004 | Elwell et al. |
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